20725402

素因数分解:

$2^1\times {\mathrm{37}}^1\times {\mathrm{47}}^1\times {\mathrm{59}}^1\times {\mathrm{101}}^1$

素因数の和:246

約数の個数: 32

約数和(自身を含む): 33488640

約数和(自身を除く): 12763238

約数列:

[1, 2, 37, 47, 59, 74, 94, 101, 118, 202, 1739, 2183, 2773, 3478, 3737, 4366, 4747, 5546, 5959, 7474, 9494, 11918, 102601, 175639, 205202, 220483, 280073, 351278, 440966, 560146, 10362701, 20725402]

約数ペア:

[(1, 20725402), (2, 10362701), (37, 560146), (47, 440966), (59, 351278), (74, 280073), (94, 220483), (101, 205202), (118, 175639), (202, 102601), (1739, 11918), (2183, 9494), (2773, 7474), (3478, 5959), (3737, 5546), (4366, 4747)]